CVE-2020-26902 : Vulnerability Insights and Analysis

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This vulnerability impacts various NETGEAR models before specific firmware versions.

Understanding CVE-2020-26902

This CVE identifies a critical vulnerability in NETGEAR devices that allows unauthenticated attackers to execute commands through command injection.

What is CVE-2020-26902?

CVE-2020-26902 is a security vulnerability that affects certain NETGEAR devices, enabling unauthenticated attackers to perform command injection. The impacted models include RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850 before specific firmware versions.

The Impact of CVE-2020-26902

The vulnerability has a CVSS base score of 9.6, indicating a critical severity level. The impact includes high confidentiality and integrity risks, with a low attack complexity and vector.

Technical Details of CVE-2020-26902

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows unauthenticated attackers to execute commands through command injection on affected NETGEAR devices.

Affected Systems and Versions

RBK752 before 3.2.15.25
RBR750 before 3.2.15.25
RBS750 before 3.2.15.25
RBK852 before 3.2.15.25
RBR850 before 3.2.15.25
RBS850 before 3.2.15.25

Exploitation Mechanism

The vulnerability can be exploited by unauthenticated attackers through command injection, potentially leading to unauthorized access and control of the affected devices.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update the firmware of affected devices to versions that address the vulnerability.
Implement network segmentation to limit access to vulnerable devices.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and security patches on all network devices.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

NETGEAR has released firmware updates that address the command injection vulnerability. Ensure all affected devices are updated to the patched versions to mitigate the risk of exploitation.